This document discusses lessons learned from European data management projects that could be applied more broadly. It summarizes Cineca's role as a supercomputing center in Italy supporting research through HPC and large-scale data analysis. European projects like EuHIT and EUDAT aim to integrate cross-border research infrastructure and offer common data services. While standards differ across disciplines, cloud infrastructure can help lower barriers to FAIR data practices. Communities need flexibility in applying principles progressively rather than all at once. Accessibility remains a priority, but interoperability and reusability of data need more focus.